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PB 386 25 Rev. F Upgrade Information

Battery
BIOS
Cache
CPU

RAM

Video

RAM Memory Upgrade

Warning Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty.
 
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PB 386 25 Rev. F CPU Upgrade

Warning Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty.
 

Note
This system supports the 80387SX-25 math co-processor. It is installed at location U41. No jumper settings are required.
 
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PB 386 25 Rev. F Battery Upgrade

Warning Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty.
 
DS1287 soldered on motherboard.  
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